How it works
Prerequisites
- You control another modified creature that can attack this turn, and that cannot be blocked and killed by an opponent.
- Helm of the Host attached to Akki Battle Squad.
Steps
- 1At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Akki Battle Squad with haste.
- 2Declare another modified creature you control as an attacker.
- 3Akki Battle Squad triggers, untapping all modified creatures you control and causing you to get an additional combat phase after this one.
- 4Repeat each combat phase.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Spicy tier?
Spellbook classifies this as Spicy — not for these brackets.